Security Updates for Microsoft Visual Studio Products (October 2025)

high Nessus Plugin ID 270701

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Synopsis

The Microsoft Visual Studio Products are affected by multiple vulnerabilities.

Description

The Microsoft Visual Studio Products are missing security updates. They are, therefore, affected by multiple vulnerabilities, including:

- Improper access control in Visual Studio allows an authorized attacker to elevate privileges locally. (CVE-2025-55240)

- Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network. (CVE-2025-55248)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Microsoft has released the following security updates to address this issue:
- Update 15.9.77 for Visual Studio 2017
- Update 16.11.52 for Visual Studio 2019
- Update 17.10.20 for Visual Studio 2022
- Update 17.12.13 for Visual Studio 2022
- Update 17.14.17 for Visual Studio 2022

Plugin Details

Severity: High

ID: 270701

File Name: smb_nt_ms25_oct_visual_studio_cve_2025_55240.nasl

Version: 1.1

Type: local

Agent: windows

Family: Windows : Microsoft Bulletins

Published: 10/17/2025

Updated: 10/17/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2025-55240

CVSS v3

Risk Factor: High

Base Score: 7.3

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/a:microsoft:visual_studio

Required KB Items: SMB/MS_Bulletin_Checks/Possible, installed_sw/Microsoft Visual Studio, SMB/Registry/Enumerated

Patch Publication Date: 10/14/2025

Vulnerability Publication Date: 10/14/2025

Reference Information

CVE: CVE-2025-55240

IAVA: 2025-A-0760

Detections

Analytics